* make-docfile.c (write_c_args): Restructure scanning loop.

diff --git a/lib-src/ChangeLog b/lib-src/ChangeLog
index 4cbf5dd..9477811 100644 (file)
--- a/lib-src/ChangeLog
+++ b/lib-src/ChangeLog
@@ -1,3 +1,7 @@
+2010-07-09  Andreas Schwab  <schwab@linux-m68k.org>
+
+       * make-docfile.c (write_c_args): Restructure scanning loop.
+
 2010-07-09  Dan Nicolaescu  <dann@ics.uci.edu>
 
        * make-docfile.c (write_c_args): Deal with type names in DEFUN

diff --git a/lib-src/make-docfile.c b/lib-src/make-docfile.c
index 3df7ec6..51c30f9 100644 (file)
--- a/lib-src/make-docfile.c
+++ b/lib-src/make-docfile.c
@@ -440,8 +440,8 @@ write_c_args (FILE *out, char *func, char *buf, int minargs, int maxargs)
 {
   register char *p;
   int in_ident = 0;
-  int just_spaced = 0;
-  int need_space = 1;
+  char *ident_start;
+  int ident_length;
 
   fprintf (out, "(fn");
 
@@ -450,25 +450,9 @@ write_c_args (FILE *out, char *func, char *buf, int minargs, int maxargs)
 
   for (p = buf; *p; p++)
     {
-      char c;
-      int ident_start = 0;
+      char c = *p;
 
-      /* FIXME: this must be made a bit more robust*/
-      
-      /* Skip "register Lisp_Object", this can be removed when we get
-        rid of "register" for DEFUNs. */
-      if (strncmp ("register Lisp_Object", p, 20) == 0)
-       p += 20;
-
-      if (strncmp ("Lisp_Object", p, 11) == 0)
-       p += 11;
-
-      if (strncmp ("void", p, 4) == 0)
-       p += 4;
-
-      c  = *p;
-      
-      /* Notice when we start printing a new identifier.  */
+      /* Notice when a new identifier starts.  */
       if ((('A' <= c && c <= 'Z')
           || ('a' <= c && c <= 'z')
           || ('0' <= c && c <= '9')
@@ -478,55 +462,50 @@ write_c_args (FILE *out, char *func, char *buf, int minargs, int maxargs)
          if (!in_ident)
            {
              in_ident = 1;
-             ident_start = 1;
-
-             if (need_space)
-               putc (' ', out);
-
-             if (minargs == 0 && maxargs > 0)
-               fprintf (out, "&optional ");
-             just_spaced = 1;
-
-             minargs--;
-             maxargs--;
+             ident_start = p;
            }
          else
-           in_ident = 0;
+           {
+             in_ident = 0;
+             ident_length = p - ident_start;
+           }
        }
 
-      /* Print the C argument list as it would appear in lisp:
-        print underscores as hyphens, and print commas and newlines
-        as spaces.  Collapse adjacent spaces into one.  */
-      if (c == '_')
-       c = '-';
-      else if (c == ',' || c == '\n')
-       c = ' ';
-
-      /* In C code, `default' is a reserved word, so we spell it
-        `defalt'; unmangle that here.  */
-      if (ident_start
-         && strncmp (p, "defalt", 6) == 0
-         && ! (('A' <= p[6] && p[6] <= 'Z')
-               || ('a' <= p[6] && p[6] <= 'z')
-               || ('0' <= p[6] && p[6] <= '9')
-               || p[6] == '_'))
-       {
-         fprintf (out, "DEFAULT");
-         p += 5;
-         in_ident = 0;
-         just_spaced = 0;
-       }
-      else if (c != ' ' || !just_spaced)
+      /* Found the end of an argument, write out the last seen
+        identifier.  */
+      if (c == ',' || c == ')')
        {
-         if (c >= 'a' && c <= 'z')
-           /* Upcase the letter.  */
-           c += 'A' - 'a';
-         putc (c, out);
-       }
+         if (strncmp (ident_start, "void", ident_length) == 0)
+           continue;
+
+         putc (' ', out);
+
+         if (minargs == 0 && maxargs > 0)
+           fprintf (out, "&optional ");
 
-      just_spaced = c == ' ';
-      need_space = 0;
+         minargs--;
+         maxargs--;
+
+         /* In C code, `default' is a reserved word, so we spell it
+            `defalt'; unmangle that here.  */
+         if (strncmp (ident_start, "defalt", ident_length) == 0)
+           fprintf (out, "DEFAULT");
+         else
+           while (ident_length-- > 0)
+             {
+               c = *ident_start++;
+               if (c >= 'a' && c <= 'z')
+                 /* Upcase the letter.  */
+                 c += 'A' - 'a';
+               else if (c == '_')
+                 /* Print underscore as hyphen.  */
+                 c = '-';
+               putc (c, out);
+             }
+       }
     }
+
+  putc (')', out);
 }
 \f
 /* Read through a c file.  If a .o file is named,